megajson benchmarks

bench.txt

$ go get github.com/benbjohnson/megajson
$ go test -test.bench=. github.com/benbjohnson/megajson/...
BenchmarkScanNumber	50000000	        55.3 ns/op	  54.25 MB/s
BenchmarkScanString	20000000	        95.3 ns/op	 104.92 MB/s
BenchmarkScanLongString	 5000000	       460 ns/op	 123.79 MB/s
BenchmarkScanEscapedString	20000000	       141 ns/op	 127.27 MB/s
BenchmarkReadString	20000000	       146 ns/op	  68.36 MB/s
BenchmarkReadLongString	 5000000	       533 ns/op	 106.76 MB/s
BenchmarkReadInt	50000000	        58.9 ns/op	  84.86 MB/s
BenchmarkReadFloat64	10000000	       154 ns/op	 103.63 MB/s
BenchmarkReadBool	50000000	        59.3 ns/op	  67.46 MB/s
ok  	github.com/benbjohnson/megajson/scanner	24.739s
PASS
BenchmarkWriteRawBytes	50000000	        64.3 ns/op	 186.61 MB/s
BenchmarkWriteString	50000000	        58.0 ns/op	 207.00 MB/s
BenchmarkWriteInt	50000000	        36.7 ns/op	  54.57 MB/s
BenchmarkWriteUint	50000000	        38.0 ns/op	  52.62 MB/s
BenchmarkWriteFloat32	10000000	       246 ns/op	  36.57 MB/s
BenchmarkWriteFloat64	10000000	       279 ns/op	  75.14 MB/s
BenchmarkWriteBool	100000000	        11.1 ns/op	 361.69 MB/s
BenchmarkWriteNull	100000000	        11.2 ns/op	 357.66 MB/s
ok  	github.com/benbjohnson/megajson/writer	18.966s